21208588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10061}}^1$

素因数の和:10113

約数の個数: 24

約数和(自身を含む): 40569984

約数和(自身を除く): 19361396

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 10061, 20122, 40244, 171037, 311891, 342074, 623782, 684148, 1247564, 5302147, 10604294, 21208588]

約数ペア:

[(1, 21208588), (2, 10604294), (4, 5302147), (17, 1247564), (31, 684148), (34, 623782), (62, 342074), (68, 311891), (124, 171037), (527, 40244), (1054, 20122), (2108, 10061)]